Removed json/runner.rb with permission from florian frank. it was serving no purpose

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/json/runner.rb

@@ -1,25 +0,0 @@
-#!/usr/bin/env ruby
-
-require 'test/unit/ui/console/testrunner'
-require 'test/unit/testsuite'
-$:.unshift File.expand_path(File.dirname($0))
-$:.unshift 'tests'
-require 'test_json'
-require 'test_json_generate'
-require 'test_json_unicode'
-require 'test_json_addition'
-require 'test_json_rails'
-require 'test_json_fixtures'
-
-class TS_AllTests
-  def self.suite
-    suite = Test::Unit::TestSuite.new name
-    suite << TC_JSONGenerate.suite
-    suite << TC_JSON.suite
-    suite << TC_JSONUnicode.suite
-    suite << TC_JSONAddition.suite
-    suite << TC_JSONRails.suite
-    suite << TC_JSONFixtures.suite
-  end
-end
-Test::Unit::UI::Console::TestRunner.run(TS_AllTests)